344. 反转字符串 – Blog of Aspirer

题目链接：https://leetcode.cn/problems/reverse-string/

class Solution {
public:
    void reverseString(vector<char>& s) {
        char c;
        int left = 0, right = s.size() - 1;
        while (left < s.size()/2) {
            c = s[left];
            s[left] = s[right];
            s[right] = c;
            left++;
            right--;
        }
    }
};

class Solution {

public:

void reverseString(vector<char>& s) {

char c;

int left = 0, right = s.size() - 1;

while (left < s.size()/2) {

c = s[left];

s[left] = s[right];

s[right] = c;

left++;

right--;

}

};